package StringBuilder;

/**
 * ClassName:StringBuilderText005
 * Package:StringBuilder
 * Description:
 *
 * @Author:ZhangXin
 * @Create2023/1/16-19:11
 * @Version:v1.0
 */
public class StringBuilderText005 {
    public static void main(String[] args) {
        int[] arr = {1, 2, 3};

        String str = arrToString(arr);
        System.out.println(str);
    }

    public static String arrToString(int[] arr) {
        StringBuilder sb = new StringBuilder();
        sb.append("[");
        for (int i = 0; i < arr.length; i++) {
            if(i == arr.length-1){
                sb.append(arr[i]);
            }else {
                sb.append(arr[i]).append(",");
            }
        }
        sb.append("]");
        return sb.toString();
    }
}
